2164575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 4523520

約数和(自身を除く): 2358945

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 31, 35, 49, 57, 75, 93, 95, 105, 133, 147, 155, 175, 217, 245, 285, 399, 465, 475, 525, 589, 651, 665, 735, 775, 931, 1085, 1225, 1425, 1519, 1767, 1995, 2325, 2793, 2945, 3255, 3325, 3675, 4123, 4557, 4655, 5425, 7595, 8835, 9975, 12369, 13965, 14725, 16275, 20615, 22785, 23275, 28861, 37975, 44175, 61845, 69825, 86583, 103075, 113925, 144305, 309225, 432915, 721525, 2164575]

約数ペア:

[(1, 2164575), (3, 721525), (5, 432915), (7, 309225), (15, 144305), (19, 113925), (21, 103075), (25, 86583), (31, 69825), (35, 61845), (49, 44175), (57, 37975), (75, 28861), (93, 23275), (95, 22785), (105, 20615), (133, 16275), (147, 14725), (155, 13965), (175, 12369), (217, 9975), (245, 8835), (285, 7595), (399, 5425), (465, 4655), (475, 4557), (525, 4123), (589, 3675), (651, 3325), (665, 3255), (735, 2945), (775, 2793), (931, 2325), (1085, 1995), (1225, 1767), (1425, 1519)]